Design and validation of an Action Plan to produce animal feed vegetable flour from food waste

Almost three quarters of vegetable by-products generated from food industry and retail trade end up in dumps. However, they can be valued as raw material for animal feed, if they are managed under appropriate conditions. The Clean-Feed project (www.cleanfeed.org) is funded by European LIFE+ program and Basque Government. The aim of this study is to reduce up to 70% of vegetable wastes generated in the Basque Country.

The first stage was to determine the feasibility of using vegetable waste for animal feed. Food retailing, cider, wine, potato, bread, coffee and vegetable transformation sectors produce about 25,000 tons / year. These vegetable by-products were nutritionally and sanitarily appropriated based on analytical results. Once these targets were guaranteed, a drying methodology was developed to adequate them to animal feed market. The technologies tested were Pulse Combustion Drying, Oven and Microwave. Three flour prototypes were obtained and all of them fulfilled all requirements of animal feed market. Then, a theoretical Action Plan was defined in agreement with stakeholders. This plan was validated in a real scale demonstration trial. Finally, technical, economic and environmental feasibility was performed. This study demonstrated that vegetable byproducts can be used for animal feed due to the favorable quantities and characterization results. However, a suitable Action Plan is a key factor to make profitable this option for animal feed companies.



Copyright: © European Compost Network ECN e.V.
Quelle: Orbit 2014 (Juni 2014)
Seiten: 0
Preis inkl. MwSt.: € 0,00
Autor: David San Martin
Jaime Zufia

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